What is limestone?**

Answers

Answer 1

Answer: a hard sedimentary rock, composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement.

Answer 2
Limestone is a sedimentary rock made of calcium carbonate (CaCO3), composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement.

Related Questions

What is the resting phase.

Answers

Yah it’s a Go phase because of the cell cycle.

Pls, help with science (:

Answers

what can i help u ask me if i can i will say you

is there vaccine for cancer​

Answers

Answer:

yes

there is vaccines for cancer

Explanation:

plz mark me as brilliant please please please

Labor unions arose in the nineteenth century as increasing numbers of Americans took jobs in factories, mines, and mills in the growing industrial economy.

The Knights of Labor, founded in 1869, was the first major labor organization in the United States. The Knights organized unskilled and skilled workers, campaigned for an eight hour workday, and aspired to form a cooperative society in which laborers owned the industries in which they worked.

The Knights’ membership collapsed following the 1886 Haymarket Square riot in Chicago. By 1886 the American Federation of Labor (AFL), an alliance of skilled workers’ trade unions, was growing.

If a nerve cell stopped functioning, the cell would

Answers

Answer:

stop sending signals to the brain

Explanation:

g The hormone __________ induces is lipolysis, whereas the hormone __________ inhibits the process. insulin; norepinephrine glucagon; insulin insulin; glucagon epinephrine; adrenocorticotropic hormone epinephrine; glucagon

Answers

1)noradrenaline
2) adenosine

​​​​The desertification of an area from deforestation due to mining gold would be a(n) ___ cost of the gold.
indirect
direct

Answers

Answer: the answer would be indirect

Which adaptation is common to animals that live in temperate grasslands?
structures to dig burrows
keen eyesight to help them see in the evening
a thick insulating layer of fat
large ears to regulate body temperature

Answers

Answer:

This is 100% right.

Explanation:

Temperate grasslands are characterized by vast expanses of open grasslands with few trees and shrubs, so structures to dig burrows are a common adaptation for animals that live in temperate grasslands, as is preset in the first option.

What are temperate grasslands?

Temperate grasslands are biomes characterized by vast expanses of open grasslands with few trees or shrubs. These ecosystems experience a wide range of temperature fluctuations between seasons, with hot summers and cold winters. As a result, animals that live in temperate grasslands have evolved adaptations that enable them to survive in this challenging environment. One of the most common adaptations of grassland animals is the ability to dig burrows. Burrows provide shelter and protection from predators, as well as a stable microclimate for animals to live in.

Hence, structures to dig burrows are a common adaptation for animals that live in temperate grasslands, as is present in the first option.

Learn more about the temperate grasslands here.

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the group of cells that use chemicals to recycle elements in the blood are called

a.muscles
b.glands
c.hormones
d.oxygen

Answers

Explanation:

I'm guessing the answer is oxygen.

The oxygen cells are a type of cell that uses chemicals to recycle elements in the blood.

What is oxygen cells?Red blood cells, also known as erythrocytes, transport oxygen to your body's tissues. Your tissues emit carbon dioxide as oxygen is converted into energy. Red blood cells also transport carbon dioxide to your lungs for exhalation. Cells require oxygen to efficiently use glucose in cellular respiration. This is how most organisms obtain energy. When oxygen binds to parts of glucose molecules, water, carbon dioxide, and energy are released. After all, the organism uses the energy to create adenosine triphosphate (ATP). A type of blood cell found in the blood that is produced in the bone marrow.

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please asnwer A and B

A. How is the blood in the pulmonary arteries different from blood in other arteries?


B. How is the blood in the pulmonary veins different from blood in other veins?

Answers

Pulmonary artery carry deoxygenated blood while are there arteries carry oxygenated blood.

pulmonary vein carries oxygenated blood while the other veins carry deoxygenated blood

Which process in the cell cycle could lead to a cancerous cell?

Answers

Answer:

Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor

Explanation:

4. Murphy ends her talk by saying, "It's not about the robots. It's about the data."
What does she mean by this? How is this pertinent to severe weather disasters?

Answers

Answer:

At the end of Murphy's talk she says it's not about the robots it's about the data meaning it is not about the robots but the data collected by the robots . This is relevant to natural disasters because robots can collect data more efficiently and with higher resolution better than we could without them. Also the robots collect this data in just seven hours when it normally takes up to two to three days.

Explanation:

I had the same question in my high school class and got 100%

.
What do flagella help a Eubacteria do?

Answers

Flagellum is primarily a motility organelle that enables
movement and chemotaxis. Bacteria can have one
flagellum or several, and they can be either polar (one or
several flagella at one spot) or peritrichous (several
flagella all over the bacterium).

Answer:

flagella helps them Move.

Explanation:


4. What is a function of the nucleus of an animal cell?
A. It is the place where energy is produced.
It stores the genetic information, the DNA (chromosomes).
C. It defends the cell from infections.
D. It captures sunlight to produce food.
5. Select a statement that best completes the phrase below. In a plant

Answers

Answer:

A. It is the place where energy is produced.

It stores the genetic information, the DNA (chromosomes).

Explanation:

differences between stamen and pistil​

Answers

Stamen is composed of anther and filament. The pistil is composed of stigma, style, and ovary. ... The key difference between stamen and pistil is that stamen is the male reproductive organ which produces pollens of angiosperms while pistil is the female reproductive organ which produces ovules of angiosperms.

I hop this helps!

4. Which one of the following leads to the destruction of the ozone layer?
A. release of carbon dioxide from the burning of fossil fuels
B. the release of CFC's found in refrigerants and aerosols
C. the production of acid rain
D. deforestation and habitat loss.

Answers

Answer:

Think it is B

Explanation:

Which of the following structures are found in both plant and animal cells?
O Mitochondria
O Chloroplast
O Cell Wall

Answers

The cellular structures found in both plant cells and animal cells are mitochondria.

Mitochondria are organelles and represent the energy factories of eukaryotic cells because they generate energy by the process of cellular respiration.

Cellular respiration refers to the metabolic processes used by both plant and animal cells in order to generate ATP by using the energy stored in the chemical bonds of foods and oxygen.

Cellular respiration has three main stages: glycolysis, the Krebs cycle and oxidative phosphorylation.

The Krebs cycle and oxidative phosphorylation occur in the mitochondria, whereas glycolysis occurs in the cytoplasm.

In conclusion, the cellular structures found in both plant cells and animal cells are mitochondria.

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Which scenario describes an interaction between two of Earth’s spheres?

Water flows from a stream to a lake.
Gravity moves rocks to another location.
Lions use energy to catch other animals for food.
Bears dig big holes in the ground to protect their young.

Answers

#2: Gravity moves rocks to another location

Answer:

The scenario that describes an interaction between two of Earth's spheres is "bears dig big holes in the ground to protect their young".

Explanation:

The Earth spheres include the biosphere, the hydrosphere, the geosphere, and the atmosphere. In this context, there is an interaction between two spheres: the biosphere and the geosphere, when a bear digs holes in the ground because a living organism that is part of the biosphere is modifying the structure and shape of superficial soil, which is part of the geosphere.

I need help please ??!!!!!

Answers

Answer:

1: false

2: true

3: true

Explanation:

sorry if they wrong its on me if u use them tho

Wings of birds,wings of insects and patagia of bats are analogous organ​? why

Answers

For example, insects use wings to fly like bats and birds, but the wing structure and embryonic origin is completely different. These are called analogous structures. ... Homologous structures share a similar embryonic origin; analogous organs have a similar function.

Why does an increasing population cause
increased waste production?
A. decreased food production
B, each new person creates more waste
C. each new person creates less waste
D. decreased resource use

Answers

B. Each new person creates more waste

One important function of bones is to produce ……………….

Answers

Answer:

Red blooded cell, White blooded cell and platelets

Leukocyte, erythrocytes , platelets

If a plant died from lack of food provided by photosynthesis, which structure is most likely missing or damaged

Answers

I’m pretty sure it would be the leaf

Though MacArthur and Long each describe as what they see as an important part of living in the USA, they have very different purposes at work. Which statement BEST describes the different purposes of MacArthur and Long? usatestprep

Answers

Answer:

"MacArthur has spoken in his speech in the most articulate way about the sacrifice that the men of the country make to secure the well-being of citizens of the nations. The language is intended at making the listeners comply with his words by influencing and impressing them.

On the other hand, Long is trying to acquaint his listeners to the truth of the society that he has devised to be deteriorating the lives of common people of the United States."

(C)

Most Americans/Canada say they hope to die __________.

Answers

i think they hope to die at home

NEED ANSWER! WILL BRAINLIST!


•During the mining process, which step immediately follows separating the mineral from the waste rock?


A. refining

B. distribution

C. crushing and milling

D. drilling and blasting

Answers

Answer:

C

Explanation:

Answer to this please.

Answers

I believe it is the first option

Which of the following is is an example of a lipid?

sugar

oil

chicken

beef

Answers

Answer:

oil

Explanation:

Since oil is a type of fats but in our body we call it lipid

HELP ME

cite a passage in the bible that may help you in your decision​

Answers

"Though he was eating Jorge said enough was enough and left the table." psalms 10:69

Here is a diagram of the digestive system. Where do you think lactase would be most effective? Explain. Be sure to consider the amount of time lactose/food would spend in each area.

Answers

Lactase will most likely be found in the small intestine and food spends the largest time there.

The digestive system refers to all the structures that are responsible for the breakdown of food in the body. In each part of the digestive system, enzymes act on the food particles to enable certain conversions.

The enzyme lactase in involved in the digestion of milk and diary products. The enzyme has an optimum pH of about 6 hence it works in an acidic environment. Lactase is found in the small intestine.

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10. A Rock is a
type of rock that
forms from an
existing rock that is
changed by heat.

Answers

Answer:

yes

Explanation:

that is indeed the definition of a ROCK.

Yes that’s the definition and also the process of erosion
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Alan has $400 in his checking account. He withdraws $50 each week. The amount remaining in his account, f(x), after x weeks isrepresented by a function. What is the range of the function? Find the value of x. Need all answers a lot of points Solve for B.15B +9C =6 If you suspect information has been improperly or unnecessarily classified: I have a bad grade and need a better grade please help me please HEEEEELP The three ways to identify symbols are:A- identification, refutation, descriptionB-description, interruption, interrogationC- description, repetition, identificationD- description, interruption, repetition According to the university of michigan studies, leaders who are production oriented are described as emphasizing interpersonal relationships and as taking a personal interest in the needs of their followers. Find x- and y-intercepts of 4x + 2y = 10 Who was the leader of China during the Great Leap Forward and Cultural Revolution? How did rural electrification improve conditions for farmers in the Rens see valley Select the correct pronoun for the sentence below. Then select the correct antecedent for the pronoun. Neither of the men has decided which team. According to Frank Waln, what makes the Red Man Red? Most earthquakes occur in areas close to where tectonic plates meet. There are earthquakes in San Francisco.What can be concluded from this information? A. San Francisco is far away from an area where tectonic plates meet. B. San Francisco is close to an area where tectonic plates meet. C. San Francisco is close to Luzon, an island in the Philippines. D. San Francisco is likely to experience a volcanic eruption in the near future. Factors affecting transpiration with celery experiment results 1. Suppose 750 tickets were sold for a concert with a total revenue of $5300. If adult tickets were $8 andstudent tickets were $4.50, how many of each type of ticket were sold?a) Define your variables.X=______y =_______b) Write the system of equations.Equation 1:_______Equation 2:______c) Solve the system of equations and determine how many of each type of ticket were sold.ha Please correctly rewrite these sentences using possessive adjectives. If you get them all correct, I will mark you brainliest. Thank you for your help. :) NEED HELP NOW PLEASE Marty was renting a boat and wanted to get the best plan. Rental plan A charges a fee of$50 plus $25 per hour. Plan B charges a fee of $10 plus $35 per hour.Using systems of equations, answer the following questions. Show all your work.Part A: Write a system of equations the represent the situation. (Be sure to identify thevariables.) Which of the following best describes a fractional reserve banking system?O A. A banking system in which net worth is calculated by subtractinga fraction of liabilities from assets.B. A banking system in which a large portion of the bank's assets aredigital money rather than bills and coins.C. A banking system in which banks have only partial control over theinterest rates they charge on loans.D. A banking system in which banks keep a portion of deposits onhand to satisfy their customer's demands for withdrawals.SUBMIT